Base | Representation |
---|---|
bin | 111011111101111… |
… | …1110011110011011 |
3 | 12012020022220201000 |
4 | 1313323332132123 |
5 | 13110111223344 |
6 | 531400400043 |
7 | 100602340443 |
oct | 16773763633 |
9 | 5166286630 |
10 | 2012211099 |
11 | 942927a88 |
12 | 481a76023 |
13 | 260b61472 |
14 | 151357123 |
15 | bb9c5a69 |
hex | 77efe79b |
2012211099 has 8 divisors (see below), whose sum is σ = 2981053520. Its totient is φ = 1341474048.
The previous prime is 2012211053. The next prime is 2012211109. The reversal of 2012211099 is 9901122102.
It is not a de Polignac number, because 2012211099 - 215 = 2012178331 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 74526337 = 2012211099 / (2 + 0 + 1 + 2 + 2 + 1 + 1 + 0 + 9 + 9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012111099) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37263142 + ... + 37263195.
It is an arithmetic number, because the mean of its divisors is an integer number (372631690).
Almost surely, 22012211099 is an apocalyptic number.
2012211099 is a deficient number, since it is larger than the sum of its proper divisors (968842421).
2012211099 is an equidigital number, since it uses as much as digits as its factorization.
2012211099 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74526346 (or 74526340 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 27.
The square root of 2012211099 is about 44857.6760320907. The cubic root of 2012211099 is about 1262.4800190806.
The spelling of 2012211099 in words is "two billion, twelve million, two hundred eleven thousand, ninety-nine".
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